Sig Sauer P320, .40 S&W cal. auto pistol.  Serial #58B003912, mfg. Germany.  Like new condition.  4 1/2” barrel has mint bore, fixed combat sights with three white dots.  Single/double action. Slide and polymer grip frame have 98% black finish, fitted with accessory rail.  Box includes extra magazine, gun lock and instructions.   Nice modern .40 cal. complete outfit! Tuck it and go forth!